Coke-drawer.



PATENTED APR 7, 1908..

' D. FERGUSON.

COKE DRAWER.

APPLICATION FILEYD SEPT. 19. 1907.

' 2 SHEETS-SHBET 1.

JIM

V No! 883,705.

PATENTED APR. 7, 1908.

1).. FERGUSON. COKE DRAWER. -APPLIOATION IITJ") SEPT. 19.1907.

2 SHEETS-SHEET 2.

on. TED re-m: OFFICE.

DAVID 1 111151.; I, 01 Pl'lTS'BU-RG, PL

NShi-hll'YANlA, ASSlGNOR OF ONE-FOURTH TO OLIVER l} (.l. .llilh ll 30h A NI. ()NE-FQlfi tlll TO WI LII-21AM J'. EB KEN, OF Pl'iTSBUBG, PENNSYLVANIA.

. CQKE-bBAWEB.

No. ssegros.

Specification of Letters Patent.

atente d. April 7, 1808.

Application filed September 19, 1907. Serial No. 393,60.

To all wlwm it may comer m Be it known that 1, DAVID FERGUSON, a

resident of Pittsburg, in the county of Alleghe'ny and State of Pennsylvania, have invented certain new and useful Improvem en ts in (loke-Ih'znvers, of which the following is a specification.

This invention relates to certain improvements in" coke drawing apparatus for which Letters Patent were granted nie August 26th, 1902, No. 707,686, and December 8th, 1903, No. 746,055

One object is to provide improved mechanism for moving the rake vertically on the rake-carrying bar; also to provide an improved flexible mounting for the rake.

A further purpose is to improve and render more eflicient the supporting frame for the rake-operating bar, and to provide improved. means for manipulating the bar.

With these and other objects in view, the invention consists in the novel features of construction, and in the combination of parts, hereinafter fully described and claimed and illustrated by the accompanying draw-. ings, wherein Figure l is a perspective view of the improved apparatus. Fig. 2 is a detail view of the fork-raising and lowering mechanism. Fig. 3 is a vertical cross-sectional view of the supporting frame, taken through the vertical bearings or trunnions. Figv is a sectional detail view of the rack-bar and driving pinion.

Figs. 5 and 6 are detail views of the fork.

Referring to thedrawings, 2 designates a truck mounted on rails 3, the latter laid on ledge 4 extending in front of a gang of coke ovens. The coke Withdrawn from the oven over an apron 5 onto endless conveyor 6 frame forsupporting and manipulating the coke drawing fork. This frame is in two parts, one part consisting of parallel plates 12 to which trunnions 11 and 11% are secured, and the other part consisting of phannel bar 13 movable longitudinally between plates 12.,

ing separated rollers 14 forming a passage Y for the rake-carrying channelbar 15. Also depending from the outer ends of plates 12 is the similar hanger frame 1.6, in which is journaled the driving pinion 17 and the eccentric brake-roller 18, having operating lever 18,

with bar 15 extending between said pinion and roller. Movable longitudinally within channel bar15 is rack bar 19, with which inion 1.7 meshes, channel 15 having the end locks 20 and 20 for limiting such movement. Pinion 17 may be driven by an electric motor 21 mounted on and adapted to turn with plates 12.

Pivoted to swing vertically on the forward end of channel 15 are arms 22, carrying head. 23 at their outer ends,.and projecting therefrom are bolts 24 upon which is movably mounted the depending coke-drawing rake 25, with springs 24 on the bolts for opposing n'iovcnient ol the rake thereon. With the rake thus mounted, it has a certain amount of flexibility which facilitates its engagement with the coke.

26 are uprights on channel 15; and fulcrumed therebetween is a lever having the forwardly extending arm 27 which projects loosely through. openings in head 23 and rake 25, and the downwardly and rearwardly' extending arm 28 which is loosely entered-in slot 19 of rack bar- 19. The lever .thus sustains the weight of the vertically swinging-rake, and to prevent the rack bar from being raised by the upward pull of the lever, channel 1.5 is formed with the overhzmging flanges 1,5. l

In operation, rack bar 19 is moved forward in channel 15 by the driving pinion 17',

raising the rake from the po ition of Fig. 1 to i the full line position of Fig. when it may he entered in the oven over the coke, the horizontally swinging home being turned as required for locating the rake. When in this forward position the rack bar engages block 20 and. further movement of pinion 17 operates to move forward channel bar 15, the amount of such movement being determined by the necessary inward movementoi being moved inward the :i into the position seen in Fig. irnent with. the coke, this betied by a backward movement $1, which engages its outer end block whereupon the rack move out vard together, with- :i the rake and the coke therewith. Raine part 13 is adapted to move inward d outward with bar lfi though to a less nt-and support the latter in itsopposite projected positions. The two swingin frame-parts may be made rigid with bar 15 by turning up eccentric brake roller 18, thereby on; nping the bar between said roller and llers 14', such rigidity oeing desirable at we when turning the frame horizontally.

flake is preferably provided with rap. r 29 which moves vertically in keepers 30, ill-{LS permitting it to raise and. not inter- .icre with the rake tines entering the coke, but which is free to drop and engage the oven lion 1' .forscraping the coke therefrom.

l. in a coke drawer, the combination of a b r, rake secured. to the bar and movable cally, moving lever carried by the bar, and lever-operating means.

2. In a iJOliQ drawer, the combination of a bar, a rake secured to the bar and movable vertically, a vertically swinging two-arm lever mounted on the bar with one arm engaging the rake, and lever-operating means enthe other arm.

ln a coke drawer, the combination of a ba ralrc secured to the bar and movable ver cally, a lever-support raised from the bar, a vertically swinging two-arm lever fulerumed in the support with one end in engagement with the rake,-and a levenoperati device movable longitudinally of the bar 5 ed in engagement with the other arm of the lever.

4. In a coke drawer, the combination of a bar, a rake secured thereto and movable verticallyl a vertically swinging two-arm lever carried by the bar with one arm in engagement with the rake, and a lever-actuating bar movable longitudinally of the first mentioned bar and in operative engagement with the other arm of said lever. l

5. In a coke drawer, the combination of a channel bar, a rake secured thereto and movable vertically, a rack bar within and movable longitudinally of the channel with the rake. he 15 low l and in on means for operating the rack bar, and an op-' erative connection between the rack bar and rake for raising and lowering the latter.

8. In a COliG drawer, the combination of a be, a rake secured thereto and movable vertically, a two-arm lever carried by the bar, with one arm in engagement with the rake, a rack bar movable longitudinally of the first mentioned bar with means for moving the rack-bar, the latter having an opening adjaseams tically, a lover su port raised from the bar, a

two-arm lever fu crumed in the support with one arm movable through an opening in the rake, and lever operating means movable longitudinally of the bar and engaging the other arm of the lever.

8. In a coke drawer, the combination of a laterally extending rake-carrying bar, a rake mounted to move'verticallyat the outer end of said bar, a bar movable longitudinally of the rakecarrying bar with means for actuating said. movable bar, and an o erative connection between the bar and m e for raising and lowering the latter.

9. In a coke drawer, the combination of a, laterally extending rake-carrying bar, a rake secured to said bar and movable vertically, a rack bar movable longitudinally of the rake-carrying bar with means for operating the rack bar, and an o erative connection between the rack bar MIC rake for raising and lowering the latter.

10. In a coke drawer, the combination of a rake-carrying device having a vertically dis posed supporting head at its forward end, a vertically dis osed rake at one face of the head, means oosely securing the rake to the head and springs for opposing movement of the rake with relation to the head.

11. In a coke drawer, the combination of a rake-carrying device having a supporting head at its forward end, bolt-s projecting from the front of the head, a rakemovable on the bolts, and s rings on the bolts between the head and ra e for opposing movement of the latter.

12. In a coke drawer, the combination of a supporting frame, a rake-carrying bar movable therein, a rake movable vertically on the bar, a rack bar movable longitudinally of the first mentioned bar and operatively connected to the rake for moving it vertically, and a driving pinion for the rack bar mounted in said frame. I

13. In a coke drawer, the combination of a su porting frame, a rake-carrying bar mov ab e therein, a. rake movable vertically 'on the bar, a rack bar having limited forward and backward. movement on the bar and connected to the rake for moving it vertically, and driving means for the rack bar carried by the frame.

14. In a coke drawer, a supporting frame.-

consistin 'of two laterallv extended arts one part havinga passage-way for the longitudinal movement of the other part, a rakecarrying bar, rake, and supports for the bar depending from both frame parts and in which the bar is movable.

15. In a coke drawer, a supporting frame consisting of two laterally extended parts,

0110 part: sustaining the ther and having a, In. testimony whereof I affix my signature zmsswg0-uuy m which the otherpart moves m presenceof two mtneww.

mngitunliinally, a rake-Paim-yin ban a rake, y '1 7 supports fm the bar (k-pondlig fllflll both him) bmhGbbOk' frmne pemii-s and in which the bar is movable, Vv itHQSSOCI and means for grigidKy cummuting the bar and J. M. NEsBlT, 

